Home / 53,250.16-79,768.32-26,515.60

Finding the Fourth Proportional to 53,250.16, 79,768.32 and 26,515.60

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Solution

The fourth proportional to 53,250.16, 79,768.32 and 26,515.60 is: 39,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,250.16 : 79,768.32 = 26,515.60 : x
  2. Step 2: Convert to fraction form
    53,250.16/79,768.32 = 26,515.60/x
  3. Step 3: Cross multiply
    53,250.16x = 79,768.32 × 26,515.60
  4. Step 4: Simplify right side
    53,250.16x = 2,115,104,865.79
  5. Step 5: Solve for x
    x = 2,115,104,865.79/53,250.16
  6. Step 6: Final answer
    x = 39,720.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.